Species: nigeriensis TAQUET, 1976
Etymology: In reference to country of Niger.
= Ouranosaurus nigeriensis TAQUET, 1972 (nomen nudum)
Holotype: MNHN GDF 300
Locality: 7 km south-east of El Rhaz, Gadoufaoua, Niger.
Horizon: El Rhaz Formation, Tegama Series.
Biostratigraphy:
Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material: Skull and skeleton.
Paratype:
MNHH GDF 381 (and MSNVE 3714, the Venice specimen).
Locality: 4 km south of Innocents, Niger.
Horizon:
Biostratigraphy:
Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material: Fragmentary skeleton.